Winner of two Pulitzer Prizes, two National Book Critics Circle awards and the National Book Award, among many others, Robert A. Caro is the author of the new No. 1 best-selling “The Passage of Power: The Years of Lyndon Johnson” (Knopf), the fourth volume of the critically praised series about the 36th president. Caro’s his first book, a biography of New York City’s “master builder” Robert Moses, was chosen by the Modern Library as one of the hundred greatest nonfiction books of the 20th century.